pool_pattern.hpp

Go to the documentation of this file.

// This file is a part of NiHu, a C++ BEM template library.
//
// Copyright (C) 2012-2014  Peter Fiala <fiala@hit.bme.hu>
// Copyright (C) 2012-2014  Peter Rucz <rucz@hit.bme.hu>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
#ifndef POOL_PATTERN_HPP_INCLUDED
#define POOL_PATTERN_HPP_INCLUDED
 
#include <stdexcept>
 
namespace NiHu
{
 
template <class C, unsigned MaxOrder>
class pool
{
public:
    pool(void)
    {
        for (unsigned i = 0; i <= MaxOrder; ++i)
            m_p_data[i] = new C(i);
    }
 
    ~pool(void)
    {
        for (unsigned i = 0; i <= MaxOrder; ++i)
            delete m_p_data[i];
    }
 
    C const &operator[](unsigned idx) const
    {
        if (idx > MaxOrder)
            throw std::out_of_range("Pool overindexing");
        return *m_p_data[idx];
    }
 
private:
    C *m_p_data[MaxOrder+1];
};
 
} // end of namespace NiHu
 
#endif /* POOL_PATTERN_HPP_INCLUDED */